*{
	padding: 0;
	margin: 0;
	box-sizing: border-box;
}
li{
	list-style: none;
}
a{
	text-decoration: none;
}
p{
	font-size: 13px;
	color: #383d42;
	line-height: 23px;
}


.container{
	width: 1200px;
	margin: auto;
}
header{
	border-bottom: 1px solid #1c73a5;
	height: 50px;
	width: 100%;
	background-color: #3097d1;
}
nav{
	padding-top: 15px;
}
.logo{
	float: left;
	width: 85px;
	height: 23px;
	display: block;
}
.logo img{
	width: 100%;
	height: auto;
}
header nav li{
	margin-left: 30px;
	float: left;
}
header nav li a{

	color: #fff8f3;
	font-size: 14px;
}


.main{
	background-color: #f5f8fa;
	height: 1976px;
}
.sand{
	display: flex;
	flex-wrap: wrap;
	justify-content: space-around;
}
.main .left{
	margin-top: 29px;
	float: left;
	flex: 0 0 23%;
	height: 100%;
}
.dave{
	flex-direction: column;
	border: 1px solid #dddddd;
	background-color: #fff; 
}

.dave1{
	height: 149px;
	text-align: center;
	width: 100%;
	height: 291px;
}
.dave1 .i{
	background: url(img/iceland.jpg) no-repeat;
	background-size: 100% 100%;
	height: 149px;
	width: 100%;
}
.dave1 img{
	margin-top: -50px;
	width: 94px;
	height: 94px;
	border-radius: 50%;
	border: 1px solid #d1d1d2;
}
.dave1 p{
	width: 220px;
	margin: auto;
	margin-top: 5px;
}

.dave2{
	padding: 17px 0 0 21px;
	margin-top: 22px;
	width: 100%;
	height: 190px;
}
.dave2 h5{
	margin-bottom: 20px;
}
.dave2 span{
	color: #5d9ad1;
}
.dave3{
	width: 100%;
	height: 441px;
	margin-top: 22px;
}
.dave3 img{
	width: 117px;
	height: 118px;
}
.dave3 h5{
	margin: 17px 0 14px 18px;
}
.tu{
	width: 100%;
	text-align: center;
}


.center{
	margin-top: 29px;
	border: 1px solid #dddddd;
	flex: 0 0 50%;
	height: 100%;
	background-color: #fff;
}

.center .yi{
	padding: 28px 20px 0 20px;
	height: 856px;
	width: 100%;
}
.center .yi h5{
	margin-bottom: 3px;
}
.center .yi span:nth-child(2){
	color: #dddddd;
	font-size: 12px;
}
.center .yi p{
	margin-bottom: 25px;
	float: left;	
}
.center .yi img{
	width: 50%;
	height: 215px;
	display: block;
	float: left;
	padding: 5px;
}
.center .yi p:nth-child(9){
	margin-top: 40px;
}
.center .yi p span{
	color: #000;
	font-weight: bold;
}

.center .er{
	padding: 27px 20px 0 20px;
	border-bottom: 1px solid #dddddd;
	border-top: 1px solid #dddddd;
	height: 165px;
	width: 100%;
}
.center .er h5{
	margin-bottom: 5px;
}

.center .san{
	padding: 27px 20px 0 20px;
	height: 822px;
	width: 100%;
}
.center .san img{
	margin-bottom: 30px;
	margin-top: 25px;
	width: 100%;
	height: 527px;
}
.center .san span{
	color: #000;
	font-weight: bold;
}


.right{
	/*width: 277px;*/
	flex: 0 0 23%;
	height: 755px;
}
.right .shang{
	background-color: #fff;
	margin-top: 29px;
	width: 100%;
	height: 448px;
	border: 1px solid #dddddd;
	padding: 17px 0 0 15px;
}
.right .shang img{
	width: 245px;
	height: 230px;
	margin: 10px 0 15px 0;
}
.right .shang button{
	color: #2a88bd;
	border: 1px solid #2a88bd;
	background-color: #fff;
	width: 86px;
	height: 30px;
	margin-top: 14PX;
	border-radius: 3px;
	outline: none;
}
.jia button:hover,.right .shang button:hover{
	background-color: #2a88bd;
	color: #fff;
}

.right .xia{
	background-color: #fff;
	margin-top: 30px;
	width: 275px;
	height: 273px;
	border: 1px solid #dddddd;
}
.shangshang{
	padding: 17px 0 0 15px;
	height: 208px;
	width: 100%;
}
.shangshang div img{
	float: left;
	width: 60px;
	height: 60px;
	border-radius: 50%;
}
.shangshang div{
	margin-top: 20px;
	height: 60px;
}
.jia p{
	margin-left: 14px;
	float: left;
}
.jia button{
	outline: none;
	margin-left: 14px;
	border: 1px solid #2a88bd;
	background-color: #fff;
	color: #2a88bd;
	border-radius: 3px;
	width: 73px;
	height: 30px;
}
.xiaxia{
	border-top: 1px solid #dddddd;
	line-height: 64px;
	height: 64px;
	padding-left: 15px;
}
.xiaxia p{
	margin-top: 5px;
}


footer{
	height: 159px;
	border-top: 1px solid #dddddd;
	text-align: center;
}
footer p{
	margin-top: 50px;
}
footer ul{
	width: 350px;
	height: 20px;
	margin: auto;
}
footer li{
	margin-right: 20px;
	float: left;
}
footer li a{
	font-size: 14px;
	color: #36b2e2;
}


@media (max-width: 640px) {
	.container{
		width: 100%;
	}
	.main{
		height: auto;
	}
	.main .left,.center,.right{
		flex: 0 0 100%;
	}
	.center{
		width: 100%;
	}
	.right .xia,.shangshang,.xiaxia{
		height: auto;
	}
	.center .san,.center .yi,.center .er{
		height: 100%;
	}
	header nav li{
		margin-left: 10px;
	}
	footer{
		margin-top: 20px;
	}
	.dave3{
		height: auto;
	}
}